const fp = require('lodash/fp')
// 数据
// horsepower 马力， dollar_value 价格， in_stock 库存
const cars = [
    { name: 'Ferrari FF', horsepower: 660, dollar_value: 700000, in_stock: true},
    { name: 'Spyker C12 Zageto', horsepower: 650, dollar_value: 648000, in_stock: true},
    { name: 'Jaguar XKR-S', horsepower: 550, dollar_value: 132000, in_stock: true},
    { name: 'Audi R8', horsepower: 525, dollar_value: 114200, in_stock: true},
    { name: 'Aston Martin One-77', horsepower: 750, dollar_value: 185000, in_stock: true},
    { name: 'Pagani Huayra', horsepower: 700, dollar_value: 1300000, in_stock: true},
]

// 1.使用函数组合fp.flowRight() 重新实现下面这个函数
// let isLastInStock = function (cars) {
//     //获取最后一条数据
//     let last_car = fp.last(cars)
//     //获取最后一条数据的 in_stock属性
//     return fp.prop('in_stock', last_car)
// }

//使用fp.flowRight
let isLastInStock = fp.flowRight(fp.prop('in_stock'), fp.last);

console.log(isLastInStock(cars));